Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 843 [Rate centres in NPA 843] [Dial plan for NPA 843]

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
843-666 A Charleston SC CHTNSCDTX6Y  548E ONVOY, LLC - SC 436      
843-666 0 Charleston SC CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2017-07-09   
843-666 1 Charleston SC CHTNSCPSX6Z  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2017-09-04   
843-666 2 Charleston SC CHTNSCPSX6Z  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2017-09-29   
843-666 3 Charleston SC CHTNSCDTX5Z  635C TELEPORT COMMUNICATIONS AMERICA SC- LLC 436   2017-08-17   
843-666 4 Charleston SC CHTNSCPSX6Z  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2017-10-09   
843-666 5 Charleston SC CHTNSCPSX6Z  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2017-10-30   
843-666 6 Charleston SC CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2017-06-23   
843-666 7 Charleston SC CHTNSCPSX6Z  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2017-11-14   
843-666 8 Charleston SC CHTNSCDT07Z  551G NUSO, LLC 436   2018-11-07   
843-666 9 Charleston SC CHTNSCPSX6Z  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2017-10-26   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.